// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#pragma once

#include <cstdint>

namespace nebula::ipc {

    // Buffers are padded to 64-byte boundaries (for SIMD)
    static constexpr int32_t kArrowAlignment = 64;

    // Tensors are padded to 64-byte boundaries
    static constexpr int32_t kTensorAlignment = 64;

    // Align on 8-byte boundaries in IPC
    static constexpr int32_t kArrowIpcAlignment = 8;

    static constexpr uint8_t kPaddingBytes[kArrowAlignment] = {0};

    static inline int64_t PaddedLength(int64_t nbytes, int32_t alignment = kArrowAlignment) {
        return ((nbytes + alignment - 1) / alignment) * alignment;
    }

}  // namespace nebula::ipc

